Knowledge of the importance of mediating processes for sustaining performance, and of self-organizing abilities for learning to perform a given task, served as the basis for a method (called TASKTEACH) of using a time-sharing digital computer to assist learning of prescriptively-guided or problem-solving serial-action tasks. The students involved…

Sixty-four high school students, stratified by field-dependent or independent cognitive style, were randomly assigned to homogeneous or heterogeneous groups of four to attain concepts in the sequence of complex to simple or simple to complex, with either minimal or strategy instructions. Subsequently, each student individually attained four…